$M=\frac{2\sqrt{x}-5}{\sqrt{x}}_{}$ Tìm x nguyên để M có giá trị nguyên

Làm hộ mình bài này với mình đang cần gấp

Giúp câu 13 đi mn đây là lần đầu

Exercise 3: Viết lại câu dưới đây sao cho nghĩa không thay đổi. 1.My mother make me study harder. ➔___________________________________. 2. She enjoys her father taking her to school. ➔___________________________________. 3. I have my children clean the house. ➔___________________________________. 4. People say Bob is the most intelligent student in his class. ➔___________________________________. 5. People think that we built this bridge 2 years ago. ➔___________________________________. 6. I want my mother to buy a new phone. ➔___________________________________. 7. I heard My Tam sing many songs yesterday. ➔___________________________________. Exercise 4: Chia các động từ sau 1. That novel __________ (write) by a famous artist. 2. The milk ____________ (deliver) every day. 3. Lan’s car __________ (repair) last month. 4. Phong _______________ (go/not) alone tonight by his family. 5. My mother let me _________ (use) her computer. 6. His car needs __________ (repair). 7. The date of that meeting _________(change/not) yet. 8. Look at this old house! They ________ (knock) down.

viết đoạn văn biểu cảm về loại cây nào đó mà em thích chú ý có yếu tố miêu tả và tự sự có từ ngữ biểu cảm trực tiếp

Giúp mình tìm và sửa lỗi những câu này với ạ, cảm ơn nhìu

1. One Pillar Pagoda is a major tourist ______ in Ha Noi (attract) 2. Imperial citadel of Thang Long is a ______ complex built during the Ly Dynasty (culture) 3. King Ly Nhan Tong was the _______ of the Imperial Academy (found) 4. In 1494, King Le Thanh Tong odered the _____ of the first Doctors stone tablrts (erect) 5. The Imperial Academy was opened to edcate ______ students from all over the country. (talent) 6. The circle and square of the pavilion _______ the heaven and the earth. (symbol) 7. The 82 Doctor stone tablets have rencently receved _______ as a National Treasure. (recognize) 8. Tourist like to visit ____ monuments such as Ho Chi Minh Mausoleum and the Temple of Literature (history)

Tìm n (n ∈ N) : (4n + 1) ⋮ (n-2) cảm ơn trướcc

giúp mình nha !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Trên tia Ox vẽ 3 điểm A,B,C sao cho:Oa là 2cm,Ob là 3cm,Oc là 4cm a, Tính độ dài ab,ac.ba b, Điểm nào nằm giữa 2 điểm còn lại?Vì sao?